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Lough Mahon, Ireland

Main Contributors:

Johanna Yletyinen

Other Contributors:


Hypoxia increased in 1995-1999. It was first recorded in the 1990s. 

Type of regime shift

Ecosystem type

  • Marine & coastal
  • Freshwater lakes & rivers

Land uses

  • Fisheries

Spatial scale of the case study

  • Local/landscape (e.g. lake, catchment, community)

Continent or Ocean

  • Europe


  • West Europe


  • Ireland

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Key References

  1. Diaz R, Rosenberg R. 2008. Spreading dead zones and consequences for marine ecosystems. Science 321, 926-929.
  2. OSPAR Commission. 2003. OSPAR Integrated Report 2003 on the Eutrophication Status of the OSPAR Maritime Area Based Upon the First Application of the Comprehensive Procedure. Eutrophication Series. Available online Status Report 2003.pdf (Last accessed 29.12.2011)
  3. Toner P et al. 2005. Water quality in Ireland 2001-2003. Environmental Protection Agency, Johnstown Castle, Ireland. Available online (Last accessed 12.1.2012)


Johanna Yletyinen. Lough Mahon, Ireland. In: Regime Shifts Database, Last revised 2012-03-17 18:39:43 GMT.
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